Edward L. Cahn Director Nico Minardos Martin Filones Actor Barbara Eden Lucy Hall Actor Grant Richards Detect. Lt. Jim Carnevan Actor Russ Conway Captain Willie Long Actor Art Baker Capt. Johns Actor Gavin MacLeod Johnny Actor Cece Whitney Clara Carnevan Actor Richard Reeves Mark Actor Byron Foulger Shelby Gardner Actor Ted Knight Denton Actor Jerry Sohl Screenwriter John Healy Producer Floyd Crosby Cinematographer Betty Steinberg Film Editing Paul Dunlap Original Music John B. Mansbridge Art Director Joseph Kish Set Decoration Walter M. Scott Set Decoration